How many numbers (phone book) can UIM card store?

32K UIM card can store 250 phone books and 50 short messages; The 64K UIM card can store 500 phone books and 100 short messages. 128K UIM card can store 1000 phone books and 200 short messages. 5 12K Nano /UIM card can store 1000 phone books and 200 short messages. The specific storage situation depends on the model of the mobile phone. For more service benefits, click on "official website" customer service 222 below to answer your questions.